package com.qf.day08.zuoye01;

import java.awt.print.Book;

/**
 * 在接口中定义需要的所有功能（方法）
 */
public interface BookService {
    public boolean addBook(Book book);

    public boolean updateBook(Book book);

    public boolean deleteBook(String bookId);

    public Book selectOne(String bookId);

    public Book[] selectAll();
}
